/*
 * Copyright (C) 2011, British Broadcasting Corporation
 * All Rights Reserved.
 *
 * Author: Philip de Nier
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright notice,
 *       this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the British Broadcasting Corporation nor the names
 *       of its contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#define __STDC_LIMIT_MACROS

#include <cstring>

#include <bmx/frame/DataBufferArray.h>
#include <bmx/BMXException.h>
#include <bmx/Logging.h>

using namespace std;
using namespace bmx;



uint32_t bmx::dba_get_total_size(const CDataBuffer *data_array, uint32_t array_size)
{
    uint64_t total_size = 0;
    uint32_t i;
    for (i = 0; i < array_size; i++)
        total_size += data_array[i].size;

    BMX_CHECK(total_size <= UINT32_MAX);

    return (uint32_t)total_size;
}

void bmx::dba_copy_data(unsigned char *dest, uint32_t dest_size, const CDataBuffer *data_array, uint32_t array_size)
{
    uint64_t total_size = 0;
    uint32_t i;
    for (i = 0; i < array_size; i++) {
        BMX_CHECK(total_size + data_array[i].size <= dest_size);
        memcpy(&dest[total_size], data_array[i].data, data_array[i].size);
        total_size += data_array[i].size;
    }
}

